(19)
(11) EP 1 009 910 A1

(12)

(43) Date of publication:
21.06.2000 Bulletin 2000/25

(21) Application number: 97953419.5

(22) Date of filing: 19.12.1997
(51) International Patent Classification (IPC)7E21B 43/25, E21B 36/00
(86) International application number:
PCT/US9723/804
(87) International publication number:
WO 9828/520 (02.07.1998 Gazette 1998/26)
(84) Designated Contracting States:
DK FR GB IT NL

(30) Priority: 23.12.1996 US 772314

(71) Applicant: Ambar, Inc.
Houston, TX 77060 (US)

(72) Inventors:
  • CRAWFORD, James, B.
    Houston, TX 77060 (US)
  • LeBLANC, Michael, J.
    Houston, TX 77060 (US)

(74) Representative: Altenburg, Udo, Dipl.-Phys. 
Patent- und RechtsanwälteBardehle . Pagenberg . Dost . Altenburg .Geissler . IsenbruckPostfach 86 06 20
81633 München
81633 München (DE)

   


(54) DEVICE AND METHOD FOR HEATING A TREATING FLUID